De Balie, a cosily chic cultural venue on Amsterdam’s Leidseplein, is the epicentre of Dutch liberal intellectual life. The left, Ms Neiman says, must “come up with things that we’re moving towards”, rather than simply denouncing taxonomies of oppression. Sweden’s centre-left is “incredibly unpopular among young people”, says Max Jerneck of the Stockholm School of Economics. But Italy’s left, too, …